21010132032 has 56 divisors (see below), whose sum is σ = 55638106656. Its totient is φ = 6997229568.

The previous prime is 21010131991. The next prime is 21010132049. The reversal of 21010132032 is 23023101012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173923 + ... + 268829.

Almost surely, 2^21010132032 is an apocalyptic number.

It is an amenable number.

21010132032 is an abundant number, since it is smaller than the sum of its proper divisors (34627974624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21010132032 is a wasteful number, since it uses less digits than its factorization.

21010132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96075 (or 96065 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21010132032 its reverse (23023101012), we get a palindrome (44033233044).

The spelling of 21010132032 in words is "twenty-one billion, ten million, one hundred thirty-two thousand, thirty-two".